/usr/include/freefoam/compressibleRASModels/LaunderSharmaKE.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
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\\ / O peration |
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\\/ M anipulation |
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License
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Class
Foam::compressible::RASModels::LaunderSharmaKE
Description
Launder and Sharma low-Reynolds k-epsilon turbulence model for
compressible and combusting flows.
The default model coefficients correspond to the following:
@verbatim
LaunderSharmaKECoeffs
{
Cmu 0.09;
C1 1.44;
C2 1.92;
C3 -0.33;
alphah 1.0; // only for compressible
alphahk 1.0; // only for compressible
alphaEps 0.76923;
}
@endverbatim
SourceFiles
LaunderSharmaKE.C
LaunderSharmaKECorrect.C
\*---------------------------------------------------------------------------*/
#ifndef compressibleLaunderSharmaKE_H
#define compressibleLaunderSharmaKE_H
#include <compressibleRASModels/RASModel.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace compressible
{
namespace RASModels
{
/*---------------------------------------------------------------------------*\
Class LaunderSharmaKE Declaration
\*---------------------------------------------------------------------------*/
class LaunderSharmaKE
:
public RASModel
{
// Private data
// Model coefficients
dimensionedScalar Cmu_;
dimensionedScalar C1_;
dimensionedScalar C2_;
dimensionedScalar C3_;
dimensionedScalar sigmak_;
dimensionedScalar sigmaEps_;
dimensionedScalar Prt_;
// Fields
volScalarField k_;
volScalarField epsilon_;
volScalarField mut_;
volScalarField alphat_;
// Private member functions
tmp<volScalarField> fMu() const;
tmp<volScalarField> f2() const;
public:
//- Runtime type information
TypeName("LaunderSharmaKE");
// Constructors
//- Construct from components
LaunderSharmaKE
(
const volScalarField& rho,
const volVectorField& U,
const surfaceScalarField& phi,
const basicThermo& thermophysicalModel
);
//- Destructor
virtual ~LaunderSharmaKE()
{}
// Member Functions
//- Return the effective diffusivity for k
tmp<volScalarField> DkEff() const
{
return tmp<volScalarField>
(
new volScalarField("DkEff", mut_/sigmak_ + mu())
);
}
//- Return the effective diffusivity for epsilon
tmp<volScalarField> DepsilonEff() const
{
return tmp<volScalarField>
(
new volScalarField("DepsilonEff", mut_/sigmaEps_ + mu())
);
}
//- Return the turbulence viscosity
virtual tmp<volScalarField> mut() const
{
return mut_;
}
//- Return the effective turbulent thermal diffusivity
virtual tmp<volScalarField> alphaEff() const
{
return tmp<volScalarField>
(
new volScalarField("alphaEff", alphat_ + alpha())
);
}
//- Return the turbulence kinetic energy
virtual tmp<volScalarField> k() const
{
return k_;
}
//- Return the turbulence kinetic energy dissipation rate
virtual tmp<volScalarField> epsilon() const
{
return epsilon_;
}
//- Return the Reynolds stress tensor
virtual tmp<volSymmTensorField> R() const;
//- Return the effective stress tensor including the laminar stress
virtual tmp<volSymmTensorField> devRhoReff() const;
//- Return the source term for the momentum equation
virtual tmp<fvVectorMatrix> divDevRhoReff(volVectorField& U) const;
//- Solve the turbulence equations and correct the turbulence viscosity
virtual void correct();
//- Read RASProperties dictionary
virtual bool read();
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace RASModels
} // End namespace compressible
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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